body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  line-height: 1.6;
}
.demo-section {
  margin: 2rem 0;
  padding: 1rem;
  border: 1px solid #ddd;
  border-radius: 8px;
}
.demo-section h2 {
  margin-top: 0;
  color: #333;
}
iframe {
  width: 100%;
  min-height: 400px;
  border: 1px solid #ccc;
  border-radius: 4px;
}
.code {
  background: #f5f5f5;
  padding: 1rem;
  border-radius: 4px;
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
  margin: 1rem 0;
}
.toggle {
  background: #007bff;
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  margin: 1rem 0;
}
.toggle:hover {
  background: #0056b3;
}
